<?php
class postmeta_model extends my_model{

	function __construct(){
		parent::__construct();
		$this->_prefix = "pme";
		$this->_column = array(
								'id'		=>$this->_prefix."_id",
								'key'		=>$this->_prefix."_key",
								'value'		=>$this->_prefix."_value",
								'pos_id'	=>$this->_prefix."_pos_id"
			);

	}

}
?>